GB9518267D0 - Improvements in or relating to rotary drill bits - Google Patents
Improvements in or relating to rotary drill bitsInfo
- Publication number
- GB9518267D0 GB9518267D0 GBGB9518267.1A GB9518267A GB9518267D0 GB 9518267 D0 GB9518267 D0 GB 9518267D0 GB 9518267 A GB9518267 A GB 9518267A GB 9518267 D0 GB9518267 D0 GB 9518267D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- drill bits
- rotary drill
- rotary
- bits
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1092—Gauge section of drill bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
- E21B17/1064—Pipes or rods with a relatively rotating sleeve
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9519836A GB2294070B (en) | 1994-10-15 | 1995-09-29 | Improvements in or relating to rotary drill bits |
EP95306937A EP0707132B1 (en) | 1994-10-15 | 1995-09-29 | Rotary drill bit |
DE69531431T DE69531431T2 (en) | 1994-10-15 | 1995-09-29 | A rotary drill bit |
US08/541,774 US5671818A (en) | 1994-10-15 | 1995-10-10 | Rotary drill bits |
US08/834,440 US5819860A (en) | 1994-10-15 | 1997-04-16 | Rotary drill bits |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9420838A GB9420838D0 (en) | 1994-10-15 | 1994-10-15 | Improvements in or relating to rotary drill bits |
Publications (1)
Publication Number | Publication Date |
---|---|
GB9518267D0 true GB9518267D0 (en) | 1995-11-08 |
Family
ID=10762921
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9420838A Pending GB9420838D0 (en) | 1994-10-15 | 1994-10-15 | Improvements in or relating to rotary drill bits |
GBGB9518267.1A Pending GB9518267D0 (en) | 1994-10-15 | 1995-09-08 | Improvements in or relating to rotary drill bits |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9420838A Pending GB9420838D0 (en) | 1994-10-15 | 1994-10-15 | Improvements in or relating to rotary drill bits |
Country Status (4)
Country | Link |
---|---|
US (1) | US5697461A (en) |
EP (1) | EP0707131B1 (en) |
DE (1) | DE69529139T2 (en) |
GB (2) | GB9420838D0 (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2751372B1 (en) * | 1996-07-22 | 1998-12-04 | Total Sa | RELAXATION DRILLING TOOL |
US6123160A (en) * | 1997-04-02 | 2000-09-26 | Baker Hughes Incorporated | Drill bit with gage definition region |
US6206117B1 (en) | 1997-04-02 | 2001-03-27 | Baker Hughes Incorporated | Drilling structure with non-axial gage |
GB2339227B (en) * | 1998-01-24 | 2002-11-20 | Downhole Products Plc | Downhole Tool |
US6401820B1 (en) * | 1998-01-24 | 2002-06-11 | Downhole Products Plc | Downhole tool |
US6095264A (en) * | 1999-01-22 | 2000-08-01 | Camco International, Inc. | Rolling cutter drill bit with stabilized insert holes and method for making a rolling cutter drill bit with stabilized insert holes |
US6260636B1 (en) | 1999-01-25 | 2001-07-17 | Baker Hughes Incorporated | Rotary-type earth boring drill bit, modular bearing pads therefor and methods |
US7464774B2 (en) * | 2003-05-21 | 2008-12-16 | Shell Oil Company | Drill bit and system for drilling a borehole |
US7004267B1 (en) * | 2004-04-12 | 2006-02-28 | Pace Raymond W | Drill bit cone protector |
GB0521693D0 (en) | 2005-10-25 | 2005-11-30 | Reedhycalog Uk Ltd | Representation of whirl in fixed cutter drill bits |
US7845430B2 (en) * | 2007-08-15 | 2010-12-07 | Schlumberger Technology Corporation | Compliantly coupled cutting system |
US8534380B2 (en) | 2007-08-15 | 2013-09-17 | Schlumberger Technology Corporation | System and method for directional drilling a borehole with a rotary drilling system |
US8899352B2 (en) | 2007-08-15 | 2014-12-02 | Schlumberger Technology Corporation | System and method for drilling |
US8066085B2 (en) | 2007-08-15 | 2011-11-29 | Schlumberger Technology Corporation | Stochastic bit noise control |
US8757294B2 (en) | 2007-08-15 | 2014-06-24 | Schlumberger Technology Corporation | System and method for controlling a drilling system for drilling a borehole in an earth formation |
US8720604B2 (en) | 2007-08-15 | 2014-05-13 | Schlumberger Technology Corporation | Method and system for steering a directional drilling system |
US8763726B2 (en) | 2007-08-15 | 2014-07-01 | Schlumberger Technology Corporation | Drill bit gauge pad control |
US7926596B2 (en) * | 2007-09-06 | 2011-04-19 | Smith International, Inc. | Drag bit with utility blades |
US8869919B2 (en) | 2007-09-06 | 2014-10-28 | Smith International, Inc. | Drag bit with utility blades |
EP2220330B1 (en) * | 2007-10-29 | 2012-09-12 | Baker Hughes Incorporated | Drill bits and tools for subterranean drilling |
US8746368B2 (en) | 2008-08-13 | 2014-06-10 | Schlumberger Technology Corporation | Compliantly coupled gauge pad system |
US8534384B2 (en) * | 2008-12-31 | 2013-09-17 | Baker Hughes Incorporated | Drill bits with cutters to cut high side of wellbores |
US8079430B2 (en) * | 2009-04-22 | 2011-12-20 | Baker Hughes Incorporated | Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of off-center drilling |
GB2535376B (en) | 2013-12-13 | 2016-11-16 | Halliburton Energy Services Inc | Downhole drilling tools including low friction gage pads with rotatable balls positioned therein |
GB2534896A (en) | 2015-02-04 | 2016-08-10 | Nov Downhole Eurasia Ltd | Rotary downhole tool |
WO2020005286A1 (en) * | 2018-06-29 | 2020-01-02 | Halliburton Energy Services, Inc. | Hybrid drill bit gauge configuration |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US790330A (en) * | 1904-06-10 | 1905-05-23 | Davis Calyx Drill Company | Core-drill. |
GB271839A (en) * | 1926-05-25 | 1928-03-29 | U S Tool Company | Improvements relating to the hydraulic rotary system of well drilling |
US2167194A (en) * | 1936-03-14 | 1939-07-25 | Lane Wells Co | Apparatus for deflecting drill holes |
US2864601A (en) * | 1956-08-06 | 1958-12-16 | Salem Tool Co | Auger boring head with non-rotating barrel |
US3370657A (en) * | 1965-10-24 | 1968-02-27 | Trudril Inc | Stabilizer and deflecting tool |
US3419091A (en) * | 1967-03-30 | 1968-12-31 | Gulf Research Development Co | Method and apparatus for drilling wells with eccentric jet drills |
SE337974B (en) * | 1970-09-29 | 1971-08-23 | Sandvikens Jernverks Ab | |
DE2625093C3 (en) * | 1976-06-04 | 1978-12-21 | Ruhrkohle Ag, 4300 Essen | Device for maintaining the horizontal directional component when producing, in particular, small-caliber, seam-penetrating boreholes |
US4384747A (en) * | 1981-03-16 | 1983-05-24 | Hughes Tool Company | Bearing for a shaft cutter stabilizer |
EP0072072B1 (en) * | 1981-08-07 | 1986-05-14 | Cledisc International B.V. | Drilling device |
SU994675A1 (en) * | 1981-09-29 | 1983-02-07 | Новочеркасский Ордена Трудового Красного Знамени Политехнический Институт Им.Серго Орджоникидзе | Drill bit |
US4534426A (en) * | 1983-08-24 | 1985-08-13 | Unique Oil Tools, Inc. | Packer weighted and pressure differential method and apparatus for Big Hole drilling |
CA1333282C (en) * | 1989-02-21 | 1994-11-29 | J. Ford Brett | Imbalance compensated drill bit |
GB8926689D0 (en) * | 1989-11-25 | 1990-01-17 | Reed Tool Co | Improvements in or relating to rotary drill bits |
US5109935A (en) * | 1989-11-25 | 1992-05-05 | Reed Tool Company Limited | Rotary drill bits |
CA2045094C (en) * | 1990-07-10 | 1997-09-23 | J. Ford Brett | Low friction subterranean drill bit and related methods |
US5339910A (en) * | 1993-04-14 | 1994-08-23 | Union Oil Company Of California | Drilling torsional friction reducer |
-
1994
- 1994-10-15 GB GB9420838A patent/GB9420838D0/en active Pending
-
1995
- 1995-09-08 GB GBGB9518267.1A patent/GB9518267D0/en active Pending
- 1995-09-29 EP EP95306939A patent/EP0707131B1/en not_active Expired - Lifetime
- 1995-09-29 DE DE69529139T patent/DE69529139T2/en not_active Expired - Fee Related
- 1995-10-10 US US08/541,995 patent/US5697461A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69529139T2 (en) | 2003-10-09 |
US5697461A (en) | 1997-12-16 |
EP0707131B1 (en) | 2002-12-11 |
GB9420838D0 (en) | 1994-11-30 |
DE69529139D1 (en) | 2003-01-23 |
EP0707131A2 (en) | 1996-04-17 |
EP0707131A3 (en) | 1996-10-23 |
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